update summary

Author: just4once

SUMMARY.md

@@ -271,9 +271,9 @@
     * [887-super-egg-drop](leetcode/binary-search/887-super-egg-drop.md)
   * [dynamic-programing](leetcode/dynamic-programing/README.md)
     * [174-dungeon-game](leetcode/dynamic-programing/174-dungeon-game.md)
-  * [bit-manipulation](leetcode/bit-manipulation-1/README.md)
-    * [260-single-number-iii](leetcode/bit-manipulation-1/260-single-number-iii.md)
-    * [137-single-number-ii](leetcode/bit-manipulation-1/137-single-number-ii.md)
+  * [bit-manipulation](leetcode/bit-manipulation/README.md)
+    * [260-single-number-iii](leetcode/bit-manipulation/260-single-number-iii.md)
+    * [137-single-number-ii](leetcode/bit-manipulation/137-single-number-ii.md)
 * [other](other/README.md)
   * [euclidean-algorithm](other/euclidean-algorithm.md)
   * [rabin-karp-rolling-hash](other/rabin-karp-rolling-hash.md)